Evidence map›Paper›PMID 9828008›Full record

ArticleProtein science : a publication of the Protein Society1998

Prediction by a neural network of outer membrane beta-strand protein topology.

K Diederichs, J Freigang, S Umhau, K Zeth, J Breed

Abstract readComparative Study
In one paragraph

Article in Protein science : a publication of the Protein Society, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

22 citing papers in PubMed.

  1. Article
  2. Protein Sorting Prediction.Methods in molecular biology (Clifton, N.J.) · 2024
    Article
  3. Computational prediction of secreted proteins in gram-negative bacteria.Computational and structural biotechnology journal · 2021
    Review
  4. Article
  5. Article
  6. Structure of the voltage dependent anion channel: state of the art.Journal of bioenergetics and biomembranes · 2008
    Review
  7. Identification of surface-exposed components of MOMP of Chlamydia trachomatis serovar F.Protein science : a publication of the Protein Society · 2006
    Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Structure prediction of membrane proteins.Genomics, proteomics & bioinformatics · 2004
    Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

K DiederichsUniversität Konstanz, Fakultät für Biologie (M656), Germany. Kay.Diederichs@uni-konstanz
J Freigang
S Umhau
K Zeth
J Breed

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

An artificial neural network (NN) was trained to predict the topology of bacterial outer membrane (OM) beta-strand proteins. Specifically, the NN predicts the z-coordinate of Calpha atoms in a coordinate frame with the outer membrane in the xy-plane, such that low z-values indicate periplasmic turns, medium z-values indicate transmembrane beta-strands, and high z-values indicate extracellular loops. To obtain a training set, seven OM proteins (porins) with structures known to high resolution were aligned with their pores along the z-axis. The relationship between Calpha z-values and topology was thereby established. To predict the topology of other OM proteins, all seven porins were used for the training set. Z-values (topologies) were predicted for two porins with hitherto unknown structure and for OM proteins not belonging to the porin family, all with insignificant sequence homology to the training set. The results of topology prediction compare favorably with experimental topology data.

Indexed as

Bacterial ProteinsEscherichia coli ProteinsNeural Networks, ComputerProtein Structure, SecondaryReceptors, Cell SurfaceBacterial Outer Membrane ProteinsCarrier ProteinsEscherichia coliHaemophilus influenzae type bHumansMathematicsPorinsReceptors, VirusRhodopsinBacterial Outer Membrane ProteinsBacterial ProteinsCarrier Proteinsenterobactin receptorEscherichia coli ProteinsFhuA protein, E coliOmp32 protein, bacteriaOMPA outer membrane proteinsPorinsReceptors, Cell SurfaceReceptors, VirusRhodopsin

Identifiers

PMID9828008
PMCPMC2143870

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.